3533750081 has 2 divisors, whose sum is σ = 3533750082. Its totient is φ = 3533750080.

The previous prime is 3533750057. The next prime is 3533750089. The reversal of 3533750081 is 1800573353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3084691600 + 449058481 = 55540^2 + 21191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3533750081 is a prime.

It is a super-2 number, since 2×3533750081² = 24974779269935013122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3533750089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766875040 + 1766875041.

It is an arithmetic number, because the mean of its divisors is an integer number (1766875041).

Almost surely, 2^3533750081 is an apocalyptic number.

It is an amenable number.

3533750081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3533750081 is an equidigital number, since it uses as much as digits as its factorization.

3533750081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 3533750081 is about 59445.3537376976. The cubic root of 3533750081 is about 1523.1591268892.

The spelling of 3533750081 in words is "three billion, five hundred thirty-three million, seven hundred fifty thousand, eighty-one".